<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script src="../jquery-3.4.1.min.js" type="text/javascript" ></script>
		<script type="text/javascript">
		 $("aaa").click(function() {
		        alert("我编写的第一个jQuery程序！^^”");
		    });
		</script>
	</head>
	<body>
		<div class="aaa">
			aaa
		</div>
	</body>
</html>
